There are a couple of minor faults in the Dutch language file (no, I can’t read Russian yet)…

"email_notifications" => "Stel e-mail notifications beschikbaar" for example should (in my opinion) be
something among the lines of "email_notifications" => "Schakel verwittigingen via e-mail in"… Just a thought. I’m willing to work together with Jurjen on this if anyone wants me to.